Z1 Battle Royale (H1Z1) · Bad session · 173 FPS · 145 stutters (427 slow frames including 167 freezes) · @AngA

Shared session

Z1 Battle Royale (H1Z1)

Sep 21, 2026, 10:48 PM · 1h 44min · 70 min gameplay

Unstable framerate (53% drop) — stutters are noticeable and frequent.

13th Gen Intel(R) Core(TM) i9-13900KF · MSI GeForce RTX 4090 GAMING X TRIO 24G · 31 GB RAM · 2560x1440 · driver 610.47Exclusive fullscreen

Detected by: process scan · End: the game closed

Key takeaways

What stands out in this session

Bad session

Unstable framerate (53% drop) — stutters are noticeable and frequent.

145 stutters (427 slow frames including 167 freezes) · 104.2 s lost

Main cause: Game computation (296 occurrences). The worst stretch cost 6.3 s of lost frames.

CPU limited

The processor did most of the work on 73% of the frames: it is the limit, not the graphics card.

Performance

FPS, lows and stutter breakdown

Frame timing

70 min active / 104 min total

Average FPS

173

Session average

1% low

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

9.7 ms

Time per frame, in the slowest 1%

Time of each frame (ms) over the session — higher = longer frame. Red dots = frames that clearly break away from the pace of this session.

Slow frames (427)

104.2 s lost

Game computation296(87.3 s)

Not enough RAM118(16.0 s)

Drive loading13(0.8 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

22%

CPU temp max

83°

64° on average

GPU temp max

57°

45° on average

Processor · Graphics card over the session, peak of each slice. The dashed lines are the thresholds of the thermal summary.

Advanced sensors (PawnIO driver)

VRM max 49 °CCPU fan max 1,503 RPMGPU fan max 1,045 RPMCPU power avg. 57 WGPU power avg. 128 WHottest core #5 · 83 °C

CPU limited

The processor did most of the work on 73% of the frames: it is the limit, not the graphics card.

VRAM peak

2.5 GB

VRAM evictions

Input lag p99

25.9 ms